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Fiber Strace

Question Text​

How many clone() system calls are performed when creating a fiber?

Question Answers​

  • none

  • one for each fiber

  • one for every 2 fibers

  • 2 for each fiber

Feedback​

Being user-level threads, the fibers aren't created by the operating system. The only system calls that you see used are mmap() and munmap(), used to create each fiber's stack.